CN113371134B

CN113371134B - Acoustic releaser based on tuning fork resonance

Info

Publication number: CN113371134B
Application number: CN202110572441.9A
Authority: CN
Inventors: 梁秋荧
Original assignee: Nanjing Sanqiang Electronic Communication Technology Co ltd
Current assignee: Nanjing Sanqiang Electronic Communication Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-06-17
Anticipated expiration: 2041-05-25
Also published as: CN113371134A

Abstract

The invention relates to the technical field of submerged buoy recovery equipment, and discloses an acoustic releaser based on tuning fork resonance, which comprises a connecting shell, wherein a fixed connecting rod is fixedly connected inside the top end of the connecting shell, the top end of the fixed connecting rod is movably connected with a monitoring system, a buoyancy system is fixedly arranged at the top end of the monitoring system, the bottom end of the fixed connecting rod penetrates through and extends into the connecting shell, a fixed ball body is fixedly arranged in the fixed connecting rod, and a connecting steel cable is fixedly arranged in the fixed ball body. This acoustic releaser based on tuning fork resonance to the difficult setting of ball-shaped cavity structure of fixed spheroid inside size for fixed spheroid can be comparatively easy under the vibration frequency effect of resonance tuning fork be broken up, moreover, as long as produce the crackle in fixed spheroid's inside, just can be very easy fall its breakage at the gravity action of its inside ball-shaped cavity and balancing weight, further improve stability and the reliability of this acoustic releaser in the use.

Description

Acoustic releaser based on tuning fork resonance

Technical Field

The invention relates to the technical field of submerged buoy recovery equipment, in particular to an acoustic releaser based on tuning fork resonance.

Background

In a marine monitoring system, an acoustic releaser is used as a necessary auxiliary tool for recovering underwater monitoring equipment, plays an extremely important role in marine surveying and submarine engineering, and mainly comprises a response module and a release module, wherein the response module is used for receiving an acoustic signal generated by a controller and judging whether the release module is started or not; the releasing module is used for opening the releasing mechanism to be separated from the gravity anchor system and floating the monitoring equipment to the sea surface under the action of the floating ball so as to carry out recovery operation.

However, the internal structure of the existing acoustic releaser is complex, the transponder module contains various precise electronic components, a power output mechanism and a power supply system for supplying normal operation of the transponder module and the release module are also required to be configured in the release module, and in the process of starting and disconnecting the gravity anchor system of the release module, the power transmission mechanism of the internal mechanism and the external structure of the acoustic releaser is involved, the sealing requirement on the acoustic releaser under the high-pressure environment of deep sea is extremely strict, so that the preparation and maintenance cost of the acoustic releaser is greatly increased, and the phenomenon that the interior of the acoustic releaser is damaged by water entering due to the abrasion of a sealing ring under the high-pressure environment of deep sea is extremely easy to occur.

Therefore, there is a need for an acoustic releaser which effectively avoids the above-mentioned drawbacks of the prior art.

Disclosure of Invention

Technical problem to be solved

The invention provides an acoustic releaser based on tuning fork resonance, which has the advantages of no need of precise electronic components, no need of a power output mechanism and a power supply system in the acoustic releaser, low preparation and maintenance cost, effective adaptation to the high-pressure environment in deep sea, high stability and high reliability, solves the problems that the conventional acoustic releaser has a complex internal structure, a response module contains various precise electronic components, a power output mechanism and a power supply system for supplying the response module and the release module to normally operate are required to be arranged in the release module, the acoustic releaser relates to the power transmission mechanism of the internal mechanism and the external structure in the process of starting and disconnecting a gravity anchor system in the release module, and the sealing requirement on the acoustic releaser is severe under the high-pressure environment in deep sea, and then greatly increased the preparation and maintenance cost of this acoustics releaser, moreover, be very easily because of the problem that the wearing and tearing of sealing washer lead to its inside to take place into water and damage under the high pressure environment in deep sea.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides an acoustics releaser based on tuning fork resonance, is including connecting the casing, connect the inside fixedly connected with fixed connecting rod on casing top, fixed connecting rod's top swing joint has monitoring system, and monitoring system's top fixed mounting has buoyancy system, fixed connecting rod's bottom is run through and is extended to the inside and the fixed mounting who connects the casing and have fixed spheroid, fixed spheroidal inside fixed mounting has the connecting cable, the bottom of connecting cable runs through and extends to the bottom and the fixed mounting who connects the casing and have the balancing weight, the surface of connecting cable and the inside swing joint who is connected the casing bottom, the middle part fixed mounting who connects shells inner wall has the fixed bolster, and the one end of fixed bolster is equipped with the resonance tuning fork.

Preferably, the buoyancy borne by the buoyancy system is smaller than the gravity of the balancing weight and larger than the sum of the gravity of the monitoring system and the connecting shell and the gravity of each component on the connecting shell.

Preferably, the inner wall of the resonant tuning fork is designed into an arc-shaped structure similar to the arc-shaped curved surface on the outer surface of the fixed sphere, and the inner wall of the resonant tuning fork is arranged on the periphery of the fixed sphere in an annular array.

Preferably, the fixed ball body is made of glass materials, and spherical cavities with different sizes are arranged in the fixed ball body.

Preferably, the resonant tuning fork has a resonant frequency equal to the fixed frequency of the fixed sphere to ensure that the resonant tuning fork can break the fixed sphere when it resonates.

(III) advantageous effects

The invention has the following beneficial effects:

1. this acoustics releaser based on tuning fork resonance, to the setting of fixed spheroid and resonance tuning fork, smash through beating fixed spheroid in order to force connecting the cable wire and the balancing weight on it to break away from the connection casing and alleviate the gravity that this system received, and float this system in order to accomplish the recovery action to monitoring system under buoyancy of buoyancy system, compare with current acoustics releaser, utilize the principle of resonance to break away from connecting the cable wire and the balancing weight on it, make this acoustics releaser need not accurate electronic component, power take off mechanism and power supply system, also need not strict sealed requirement, simple structure and adaptability are higher, high durability and convenient use, and, the preparation and the maintenance cost of current acoustics releaser have been reduced effectively.

2. This acoustic releaser based on tuning fork resonance to the difficult setting of ball-shaped cavity structure of fixed spheroid inside size for fixed spheroid can be comparatively easy under the vibration frequency effect of resonance tuning fork be broken up, moreover, as long as produce the crackle in fixed spheroid's inside, just can be very easy fall its breakage at the gravity action of its inside ball-shaped cavity and balancing weight, further improve stability and the reliability of this acoustic releaser in the use.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is a schematic view of the internal structure of the connecting housing of the present invention.

In the figure: 1. connecting the shell; 2. fixing the connecting rod; 3. a monitoring system; 4. a buoyancy system; 5. fixing the sphere; 6. connecting a steel cable; 7. a balancing weight; 8. fixing a bracket; 9. a resonant tuning fork.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an acoustic releaser based on tuning fork resonance comprises a connecting shell 1, a fixed connecting rod 2 is fixedly connected to the inside of the top end of the connecting shell 1, a monitoring system 3 is movably connected to the top end of the fixed connecting rod 2, a buoyancy system 4 is fixedly mounted at the top end of the monitoring system 3, a fixed ball 5 is fixedly mounted at the bottom end of the fixed connecting rod 2 and penetrates through and extends to the inside of the connecting shell 1, a connecting steel cable 6 is fixedly mounted inside the fixed ball 5, a balancing weight 7 is fixedly mounted at the bottom end of the connecting steel cable 6 and penetrates through and extends to the bottom of the connecting shell 1, the outer surface of the connecting steel cable 6 is movably connected with the inside of the bottom end of the connecting shell 1, a fixed support 8 is fixedly mounted at the middle part of the inner wall of the connecting shell 1, and a resonant tuning fork 9 is arranged at one end of the fixed support 8.

In the technical scheme, the buoyancy force borne by the buoyancy system 4 is smaller than the gravity of the balancing weight 7 and is larger than the sum of the gravity of the monitoring system 3 and the connecting shell 1 and the sum of the gravity of the components on the connecting shell.

The buoyancy of the buoyancy system 4 is set so that the system can stably float below the sea surface under the influence of the gravity of the counterweight 7, and when the counterweight 7 is separated from the system, the system can automatically float to the sea surface under the buoyancy of the buoyancy system 4 to complete the recovery operation of the system.

In the technical scheme, the inner wall of the resonant tuning fork 9 is designed to be an arc structure similar to the arc curved surface on the outer surface of the fixed sphere 5, and the inner wall is arranged in an annular array and is positioned on the periphery of the fixed sphere 5.

With regard to the arrangement of the external structure of the resonant tuning fork 9, when the resonant tuning fork 9 vibrates, the acoustic frequency can be transmitted to the resonant tuning fork 9 more intensively, and a resonance phenomenon can be generated between the acoustic frequency and the fixed frequency of the resonant tuning fork.

In the technical scheme, the fixed ball body 5 is made of glass materials, and spherical cavities with different sizes are arranged in the fixed ball body.

The material of the fixing ball 5 is brittle and hard, so that the connection strength of the fixing ball to the connecting steel cable 6 and the counterweight 7 is ensured, the connecting steel cable 6 and the counterweight 7 thereon can be completely separated from the connecting shell 1 after the fixing ball is broken, and the stability and the reliability are high.

Wherein, to the setting of the inside ball-type cavity of fixed spheroid 5, make fixed spheroid 5 can be broken up comparatively easily under the resonant frequency effect of resonant tuning fork 9, moreover, as long as produce the crackle in the inside of fixed spheroid 5, the ball-type cavity and the action of gravity of balancing weight 7 in its inside can be very easy with its breakage, make the sensitivity and the reliability of this releaser higher.

In this technical solution, the resonant tuning fork 9 has the same resonant frequency as the fixed frequency of the fixed sphere 5, so as to ensure that the resonant tuning fork 9 can break the fixed sphere 5 when resonating.

When the fixed sphere 5 is not broken, the fixed sphere 5 and the resonant tuning fork 9 are used for fixing the connecting steel cable 6, the connecting shell 1, the monitoring system 3 and the buoyancy system 4, so that the whole system can keep a balanced state below the sea surface, and when a sound wave is emitted into the connecting shell 1, the resonance phenomenon generated by the resonant tuning fork 9 is utilized, the sound wave is intensively transmitted to the fixed sphere 5, resonance is generated between the fixed sphere and the fixed frequency of the fixed sphere 5, the fixed sphere 5 is broken, the connecting steel cable 6 and the counterweight 7 on the connecting steel cable are separated from the connecting shell 1 so as to reduce the gravity borne by the system, and the system floats upwards under the buoyancy action of the buoyancy system 4, so that the recovery action of the monitoring system 3 is completed.

The use method and the working principle of the embodiment are as follows:

firstly, a connecting steel cable 6 and a balancing weight 7 are fixedly arranged on a connecting shell 1 through a fixed ball 5, the buoyancy of a buoyancy system 4 is set, then the system is thrown into a designated sea area, the system gradually sinks under the action of the gravity of the balancing weight 7, and meanwhile, under the action of the buoyancy system 4, the system can be kept in a stable and balanced state;

when the system needs to be recovered, acoustic waves with the same frequency as the resonant tuning fork 9 are emitted to the position of the connecting shell 1 through a sonar on a recovery ship, and the acoustic waves are subjected to a resonance phenomenon, so that the acoustic waves are transmitted to the fixed ball body 5 in a concentrated manner, the resonance phenomenon is generated between the fixed ball body 5 and the natural frequency of the fixed ball body 5 again until the fixed ball body 5 is broken, then the broken fixed ball body 5 cannot restrain the connecting steel cable 6, the connecting steel cable 6 and the balancing weight 7 on the connecting steel cable 6 are separated from the connecting shell 1, then the system gradually floats to the sea surface under the buoyancy action of the buoyancy system 4, and then the recovery operation of the monitoring system 3 is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an acoustics releaser based on tuning fork resonance, is including connecting casing (1), the inside fixedly connected with fixed connecting rod (2) on connecting casing (1) top, the top swing joint of fixed connecting rod (2) has monitoring system (3), and the top fixed mounting of monitoring system (3) has buoyancy system (4), its characterized in that: the bottom end of the fixed connecting rod (2) penetrates through and extends into the connecting shell (1) and is fixedly provided with a fixed ball body (5), a connecting steel cable (6) is fixedly arranged in the fixed ball body (5), the bottom end of the connecting steel cable (6) penetrates through and extends to the bottom of the connecting shell (1) and is fixedly provided with a balancing weight (7), and the outer surface of the connecting steel cable (6) is movably connected with the interior of the bottom end of the connecting shell (1);

the middle part fixed mounting who connects casing (1) inner wall has fixed bolster (8), and the one end of fixed bolster (8) is equipped with resonance tuning fork (9), the resonant frequency of resonance tuning fork (9) is the same with the fixed frequency of fixed spheroid (5), the inner wall of resonance tuning fork (9) is established to the arc structure similar with arc curved surface on fixed spheroid (5) surface, and it is the periphery that annular permutation is located fixed spheroid (5), in order to ensure that resonance tuning fork (9) can break up fixed spheroid (5) when taking place to resonate, because of fixed spheroid (5) after breaking up do not play the effect of restraint to connecting cable wire (6), make connecting cable wire (6) and balancing weight (7) on it break away from connecting casing (1) to force this buoyancy system to float to the sea under the buoyancy effect of buoyancy system (4).

2. A tuning fork resonance based acoustic release according to claim 1, wherein: the buoyancy force borne by the buoyancy system (4) is smaller than the gravity of the balancing weight (7) and larger than the sum of the gravity of the monitoring system (3) and the connecting shell (1) and all parts on the connecting shell.

3. A tuning fork resonance based acoustic release according to claim 2, wherein: the fixed ball body (5) is made of glass materials, and spherical cavities with different sizes are arranged in the fixed ball body.